How to Clean a Bounce House: Step-by-Step Pro Guide

The short answer

To clean a bounce house: clear the loose debris, hose it down, spot-treat stains with mild dish soap and a soft brush, disinfect the surfaces kids actually touch with an EPA-registered product, then let it dry completely before you roll it up. Skip the drying and you get mildew. Reach for full-strength bleach and you wreck the vinyl. In Central Florida humidity, drying is the whole ballgame.

I'm Tommie, and my wife Griselda and I have cleaned a lot of bounce houses. Every unit that leaves our Apopka trailer is washed, sanitized, and dried before it reaches a backyard, so we've learned the fast way and the wrong way to do this. If you own an inflatable, or you just want to know what "clean" should actually mean when you book a rental, here's the exact process we use, plus the mistakes we see online that will cost you a unit.

What you'll need

Nothing exotic. A soft-bristle brush (never a wire or stiff deck brush, which scars the vinyl), a bucket of warm water with a squirt of mild dish soap or a little Simple Green, a spray bottle, a garden hose, a few clean microfiber rags, and an EPA-registered disinfectant for the surfaces kids touch. The one thing you can't shortcut isn't a product at all. It's a dry, breezy spot and enough time to let the unit dry all the way through.

How to clean a bounce house, step by step

Order matters here. Disinfecting over a dirty surface doesn't work, and rolling the unit up damp undoes everything you just did. Run these six steps in sequence.

  1. Clear the loose stuff first. Partially deflate the unit, then sweep or shake out the grass, sand, leaves, and the inevitable crushed snacks. Get into the corners and seams with a shop vac. That's where sand and crumbs hide, and where mildew starts.
  2. Rinse it down. Hose off the whole unit on a normal spray setting. Don't blast it with a pressure washer on high; the force can separate seams and strip the printed artwork.
  3. Spot-treat the stains. Dip the soft brush in the soapy water and work one small section at a time, using gentle circles rather than hard scrubbing. Grass and dirt come up easily. The two that fight back every time are sunscreen and face paint, so hit those first and give the soap a minute to work before you scrub.
  4. Disinfect what kids touch. Cleaning removes the dirt; it doesn't kill germs. Once the surface is clean, go over the floor and the walls kids press against with an EPA-registered disinfectant and let it sit for the dwell time on the label. The EPA notes that cleaning and disinfecting are two different steps, and the CDC's guidance is the same: clean first, then disinfect with a registered product.
  5. Rinse and wipe. Rinse off any soap or disinfectant residue, since sticky residue just grabs the next batch of dirt, then wipe the contact surfaces down.
  6. Dry it completely, then dry it some more. Leave it inflated in a sunny, breezy spot until there is not one damp seam left. This is the step that decides whether you have a clean bounce house next month or a moldy one.

How do you get mold or mildew off a bounce house?

Mildew shows up as gray or black speckling, usually along seams and on the floor, and it almost always means the unit went into storage damp. For light mildew, a paste of mild soap and water worked in with a soft brush lifts most of it. For stubborn spots, including the yellow-gray haze that white units get, a solution of white vinegar and water is the safe first move: let it sit, then brush and rinse. If you go to bleach, and plenty of people do, use it heavily diluted (far more water than bleach), spot-test an out-of-sight corner first, and keep it to white material only, because bleach fades colored vinyl and at full strength dries it out until it cracks. Whatever you use to kill mildew, the fix only holds if you solve the real cause, which is step six: the unit was stored wet.

Can you use bleach on a bounce house? Safe vs. risky cleaners

Short version: reach for the mild stuff first, treat bleach as a last resort, and keep solvents away from the vinyl entirely.

Safe to useUse with cautionAvoid
Mild dish soap + warm waterHeavily diluted bleach, white units only, spot-test firstFull-strength bleach (fades color, cracks vinyl)
Simple Green or a gentle all-purpose cleanerWhite vinegar solution for mildewDegreasers and solvents (dry out and crack vinyl)
EPA-registered disinfectant (per label)A magic-eraser-type pad, light pressure onlyPressure washer on a high setting (splits seams)
Soft-bristle brush + microfiber rags—Wire brushes or stiff scrubbers (scar the surface)

The step everyone skips: drying (especially in Florida)

The rule we never break

Never roll up a unit until it is bone dry, seams included. A bounce house that gets packed even a little damp will grow mildew in storage, and in Central Florida that happens fast.

Our heat, our humidity, and those near-daily summer afternoon storms make trapped moisture the number-one enemy of an inflatable. This is the part the YouTube clips rush past, and it's the single most common reason a unit ends up moldy. If a storm rolls through mid-party and the unit gets soaked, we don't pack it wet and sort it out later. We dry it first, every time. Do that one thing and you prevent most of the mold problems people spend a Saturday trying to scrub out.

How we clean every rental before it reaches your backyard

If you're reading this because you're about to rent, rather than because you own a unit, here's what "clean" should mean, and what it means with us. After every single event, each inflatable goes through the full process above: debris cleared, washed, stains treated, contact surfaces disinfected, and dried completely before it's rolled and stored. Nothing goes back out that hasn't been through all six steps. That standard is the whole reason every unit leaves our trailer sanitized and fully insured, and it's a big part of how we've held a 5.0 rating across 199 Google reviews. A good rental company should be able to tell you exactly how they clean their units; if they can't, that's your answer. If you ever want to look a unit over before the kids pile in, just ask us on delivery. You can see what's available on our bounce house rentals page, and the same standard covers our water slides, where drying matters even more. (If you're weighing a wet unit against a dry one, our guide to wet vs. dry bounce houses breaks it down.)

Key takeaways

  • Clean in order: debris, rinse, spot-treat, disinfect, rinse, dry.
  • Mild dish soap and a soft brush handle almost everything; sunscreen and face paint are the hard ones.
  • Vinegar-and-water is the safe mildew treatment; use bleach only heavily diluted, on white units, after a spot test.
  • Drying fully is the step that actually prevents mold, and in Florida humidity it matters most.
  • A trustworthy rental company washes, sanitizes, and dries every unit between parties and will tell you so.

Frequently asked questions

What's the best way to clean a bounce house?

Work in order: clear loose debris, rinse with a hose, spot-treat stains with mild soapy water and a soft brush, disinfect the surfaces kids touch with an EPA-registered product, rinse, and dry completely. The order matters, because disinfecting over a dirty surface doesn't work and rolling it up damp undoes everything.

How, do I get mold off a bounce house?

Treat light mildew with soap and water or a white-vinegar solution and a soft brush, rinse, and most important, dry it fully so it doesn't come back. For heavy mildew on white vinyl, heavily diluted bleach, spot-tested first, is a last resort.

Can I use bleach on a bounce house?

Only heavily diluted, only on white material, and only after spot-testing a hidden corner. Full-strength bleach fades colored vinyl and can dry it out until it cracks. Mild soap or a vinegar solution is almost always enough.

How do I clean the inside where kids' bare feet go?

Same process: soapy water and a soft brush over the floor and lower walls, then an EPA-registered disinfectant on those contact surfaces, left to sit for the label's dwell time, then rinsed and dried.

My bounce house got left out in the rain. What do I do?

Don't pack it wet. Rinse off any mud, let it dry completely while inflated in a breezy spot, and check the seams for the start of mildew before you store it.

Are rental bounce houses actually cleaned between parties?

A reputable company washes, sanitizes, and dries every unit after each event; ours go out sanitized and fully insured. If a company can't tell you how they clean their inflatables, rent somewhere that can.

Tommie Parker

Owner, Too The Moon Bounce Co

Tommie and his wife Griselda run Too The Moon Bounce Co, the family-owned bounce house and water slide rental company based in Apopka, Florida. They've delivered, set up, and cleaned thousands of inflatables across Orlando and Central Florida, earning a 5.0 rating across 199 Google reviews, with every unit going out sanitized and fully insured.

Want a bounce house that's actually clean?

Every unit we deliver across Apopka, Orlando, and Central Florida goes out washed, sanitized, dried, and fully insured, with no guesswork on your end.

See our bounce house rentals